Mechanical pencil



FIG. 1 is a perspective view of a mechanical pencil showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof, with the writing tip housing projected to an in-use position; and,

FIG. 8 is a cross-sectional view taken in the direction of arrows 8—8 in FIG. 2. 

The ornamental design for a mechanical pencil, as shown and described. 